Math Vocab Flashcards
Reciprocal
Divide 1 by the number, interchange the numerator and denominator
Algebraic Expression
An expression that includes at least one variable
Verbal Model
Describes real-world situation using words as labels and using math symbols to relate to the words
Rate
A fraction that compares 2 quantities measured in different units
Unit Rate
A rate in which the denominator of the fraction is 1 unit
Function
A function consists of: a set called the domain containing #s called inputs and a set called the range containing #s called outputs
Domain
The set of all inputs of a function
Independent Variable
The input variable of a function
Dependent Variable
The output Variable of a function
Rational Number
A number that can be written as a simple fraction
Conditional Statement
A statement with a hypothesis and a conclusion
Additive Identity
The sum of any number and 0 is that number; a+0=a
Additive Inverse
The sum of a number and it’s opposite is 0; a+(-a)=0
Multiplicative Identity
Any number times 1 equals that number; a•1=a
Terms of an Expression
Parts of an expression that are connected be plus and minus signs
Equivalent Expressions
2 expressions that have the same value for all values of the variable
Distributive Property
a(b+c) = ab+ac
Coefficient
The # part of a term with a variable part
Constant Term
A term with a number part but no variable part
Radicand
The number or expression inside a radical symbol
Perfect Square
A number that is the square if an integer
Real Numbers
The set of all rational and irrational numbers
Inverse Operations
2 operations that undo each other
Ratio
A comparison of 2 numbers using division a:b a/b
Cross Products Property
The cross of products of a proportion are equal
Proportion
An equation that states that 2 ratios are equal a/b = c/d
